'Plenary indulgence' definitions:

Definition of 'Plenary indulgence'

From: GCIDE

Plenary \Ple"na*ry\, a. [LL. plenarius, fr. L. plenus full. See Plenty.] Full; entire; complete; absolute; as, a plenary license; plenary authority. [1913 Webster]
A treatise on a subject should be plenary or full. --I. Watts. [1913 Webster]
Plenary indulgence (R. C. Ch.), an entire remission of temporal punishment due to, or canonical penance for, all sins.
Plenary inspiration. (Theol.) See under Inspiration. [1913 Webster]